<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <button>点击请求</button>
</head>

<body>
  <!-- 引入jquery -->
  <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
  <script>
    // 1.点击按钮发送请求
    $('button').click(function () {
      // 2.发送请求
      $.ajax({
        url: 'http://127.0.0.1/api/jsonp',
        method: 'GET',
        dataType: 'jsonp',
        success: function (res) {
          console.log(res);
        }
      })
    })
  </script>
</body>

</html>